<html>
<style>
html, body, #wrapper {
   height:100%;
   width: 100%;
   margin: 0;
   padding: 0;
   border: 0;
}
#wrapper td {
   vertical-align: middle;
   text-align: center;
}
</style>
<body background="dot.png">
	<table id="wrapper">
		<tr>
			<td><img src="logo.png" alt="" /></td>
		</tr>
	</table>
</body>
</html>